Failure prevention diagnosis support system, failure...

Details Failure prevention diagnosis support system, failure... Failure prevention diagnosis support system, failure...

2006-12-28

2009-02-10

Chen, Sophia S (Department: 2852)

Electrophotography

Remote monitoring

C399S009000

Reexamination Certificate

active

07489881

ABSTRACT:
A failure prevention diagnosis support system includes: an acquiring portion that acquires internal information about an internal state of an image forming apparatus; a storage portion that stores one or a plurality of logistic regression models that define an estimate value of a regression coefficient through a logistic regression analysis using the internal information obtained when the image forming apparatus is in a failed state and in a normal state; and a controller that performs a control operation to select a logistic regression model from the one or the plurality of the logistic regression models stored in the storage portion in accordance with the image forming apparatus, and to calculate risk degrees as objective variables that are indicators of failure degrees in the image forming apparatus by assigning the internal information acquired by the acquiring portion or the value obtained from the internal information to the selected logistic regression model.

REFERENCES:
patent: 2005/0002054 (2005-01-01), Shoji et al.
patent: 2005/0240376 (2005-10-01), Uwatoko et al.
patent: 2008/0002995 (2008-01-01), Kamisuwa et al.
patent: 08-030152 (1996-02-01), None
patent: 2005-017874 (2005-01-01), None

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